condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.56413 0.0 1.12826 8 h after light 0.0 0.0 0.0 12 h after light 0.2500225 0.0 0.500045 2 h after dark 0.0001121075 0.0 0.000224215 4 h after dark 0.0945535 0.0 0.189107 8 h after dark 0.1372845 0.0 0.274569 12 h after dark 0.2559995 0.0 0.511999